During migration periods, the blue whale will go without food for up to four months while they migrate and live primarily off of the body fat and calories stored within its blubber. Dont let their size fool you, though these giants are quite gentle, swimming slowly and gracefully and feeding on krill, some of the worlds smallest animals. deep dives. and thrive in the Polar regions, these can be broken down into: Cetaceans are split into Acoustic crypsis is a behavioral adaptation used by animals to reduce detection by eavesdroppers such as predators. Scientists arent sure why narwhals do this, but they believe it may be used to communicate with other members of their species or to attract mates. In late December 2012, NOAA announced that beginning in 2013, shipping lanes along the California coast would be adjusted to protect feeding and congregating blue, fin, and humpback whales from ship strikes. A calls appear to be made only by males and are described as a series of pulses that sound like someone gurgling mouthwash. While its large size might suggest a dangerous animal, the whale shark is actually a gentle giant and will permit divers to approach it closely without exhibiting aggressive behavior. have teeth as we know them, but baleen plates or "whalebone". Although there have been few recorded fatalities due to Beluga whale attacks, it is important to remember that these animals can weigh up to 1600 kg (3530 lbs) and are capable of inflicting serious damage with a single strike. Belugas must dive longer, deeper, and more frequently to find food. Whales are one of the most social animals on Earth. "ctun\\\"f)\")" ; North Atlantic Right Whale https://www.ecori.org/narragansett-bay/2019/3/12/right-whale-births-up-this-winter-but-species-faces-extinction. Animals.NET aim to promote interest in nature and animals among children, as well as raise their awareness in conservation and environmental protection. In addition to having ears toothed whales also use a method known as echolocation to help them navigate the ocean, find food and avoid potential threats. a tiny pair of "free floating" bones (pelvic vestiges) - not There are some, however, that may remain year round in colder latitudes depending on ice formation. Photo from http://marinebio.org/species.asp?id=41, Image of Blue Whale body parts. Calves are born at about 23 feet long and weigh 5,000 to 6,000 pounds. provide the propulsive power in all Cetaceans with the forelimbs A large population formerly found in the Santa Barbara Channel off the California coast from June through September appears to be moving south recently. "G\\\\30\\\\00\\\\00\\\\\\\\10\\\\0p\\\\7p17\\\\\\\\7l17\\\\\\\\efz>obsemg\\" + 100 Aquarium Way,